Deduction for scientific research and rural development permits full deduction for eligible donations, subject to payment and filing conditions. Deduction for Scientific Research and Rural Development permits a full deduction for donations to specified approved institutions, available only to taxpayers without business or professional income. Payments must comply with mode-of-payment limits; contributions to qualifying public bodies or approved institutions require prescribed certificates. Donors' claims depend on donees uploading donation statements and remain unaffected if donee approval is later withdrawn, subject to verification under the Board's risk management strategy.